Question 1

Involuntary muscle contractions move food through the intestinal tract. The movement that forces the contents back a few inches before pushing it forward again is called:

Accepted Answer

A) segmentation. 
B) rotation. 
C) peristalsis. 
D) liquefaction. 
E) digestion. 
A) segmentation. 
B) rotation. 
C) peristalsis. 
D) liquefaction. 
E) digestion. A

Question 2

Digestion is completed in the large intestine.

Accepted Answer

A) True 
 B)False  False

Question 3

Villi are found in the:

Accepted Answer

A) esophagus. 
B) stomach. 
C) small intestine. 
D) large intestine. 
E) colon. 
A) esophagus. 
B) stomach. 
C) small intestine. 
D) large intestine. 
E) colon. C

Question 4

Leftovers should be eaten within ____ days.

Accepted Answer

A) 5-7 
B) 3-4 
C) 2-3 
D) 1-2 
E) 8-10 
A) 5-7 
B) 3-4 
C) 2-3 
D) 1-2 
E) 8-10

Question 5

The digestion of proteins begins in the ____ and ends in the ____.

Accepted Answer

A) stomach; pancreas 
B) pancreas; small intestine 
C) stomach; small intestine 
D) small intestine; liver 
E) mouth; liver 
A) stomach; pancreas 
B) pancreas; small intestine 
C) stomach; small intestine 
D) small intestine; liver 
E) mouth; liver

Question 6

The digestive tract begins at the ____ and ends at the ____.

Accepted Answer

A) stomach; large intestine 
B) pharynx; rectum 
C) lower esophageal sphincter; rectum 
D) mouth; anus 
E) tongue; renal glands 
A) stomach; large intestine 
B) pharynx; rectum 
C) lower esophageal sphincter; rectum 
D) mouth; anus 
E) tongue; renal glands

Question 7

Pepsin cannot function in the strong acidic environment of the stomach.

Accepted Answer

A) True 
 B)False

Question 8

After digestion, lipids are packaged for transport as lipoproteins known as:

Accepted Answer

A) HDL. 
B) VLDL. 
C) LDL. 
D) chylomicrons. 
E) triglycerides. 
A) HDL. 
B) VLDL. 
C) LDL. 
D) chylomicrons. 
E) triglycerides.

Question 9

"Peristalsis" is a term that refers to the:

Accepted Answer

A) circulation of blood in the blood vessels. 
B) absorption of food in the intestines. 
C) mixing and moving of food through the lymphatic system. 
D) action of the involuntary muscles of the digestive tract. 
E) breakdown of food in the stomach. 
A) circulation of blood in the blood vessels. 
B) absorption of food in the intestines. 
C) mixing and moving of food through the lymphatic system. 
D) action of the involuntary muscles of the digestive tract. 
E) breakdown of food in the stomach.

Question 10

Match between columns
                        Premises: appendix

Accepted Answer

The Answer of a 10-foot length of small-diameter (1-inch diameter)intestine is...

Question 11

Elevated HDL concentrations are associated with a low risk of heart disease because they:

Accepted Answer

A) transport newly absorbed lipids from intestinal cells to the rest of the body. 
B) carry cholesterol and triglycerides from the liver to the rest of the body. 
C) carry lipids around in the blood more than LDL. 
D) take excess cholesterol and phospholipids from the tissues and return them to the liver. 
E) take excess cholesterol and phospholipids to the tissues and away from the liver. 
A) transport newly absorbed lipids from intestinal cells to the rest of the body. 
B) carry cholesterol and triglycerides from the liver to the rest of the body. 
C) carry lipids around in the blood more than LDL. 
D) take excess cholesterol and phospholipids from the tissues and return them to the liver. 
E) take excess cholesterol and phospholipids to the tissues and away from the liver.

Question 12

A benefit of fiber is that it:

Accepted Answer

A) promotes mineral absorption. 
B) aids in keeping stools soft. 
C) inhibits peristalsis. 
D) keeps individual foods from getting mixed together. 
E) speeds excretion of toxins. 
A) promotes mineral absorption. 
B) aids in keeping stools soft. 
C) inhibits peristalsis. 
D) keeps individual foods from getting mixed together. 
E) speeds excretion of toxins.

Question 13

Is eating raw seafood, like fish and oysters, ever safe?

Accepted Answer

​ 
Most seafood available in the United

Question 14

The stomach empties into the:

Accepted Answer

A) ileum. 
B) cecum. 
C) jejunum. 
D) duodenum. 
E) gallbladder. 
A) ileum. 
B) cecum. 
C) jejunum. 
D) duodenum. 
E) gallbladder.

Question 15

Which item(s)can cause a foodborne infection?

Accepted Answer

A) foods containing toxin-producing microbes 
B) Clostridium botulinum 
C) Campylobacter 
D) Staphylococcus aureus 
E) too much magnesium 
A) foods containing toxin-producing microbes 
B) Clostridium botulinum 
C) Campylobacter 
D) Staphylococcus aureus 
E) too much magnesium

Question 16

Match between columns
                        Premises: small intestine

Accepted Answer

The Answer of the sphincter muscle at the junction between is...

Question 17

In the GI tract, bacteria produce:

Accepted Answer

A) amylase. 
B) pepsin. 
C) mucus. 
D) vitamin K. 
E) bile. 
A) amylase. 
B) pepsin. 
C) mucus. 
D) vitamin K. 
E) bile.

Question 18

Which substance is not found in gastric juice?

Accepted Answer

A) water 
B) lipase 
C) chylomicrons 
D) hydrochloric acid 
E) pepsin 
A) water 
B) lipase 
C) chylomicrons 
D) hydrochloric acid 
E) pepsin

Question 19

A component of pancreatic juice that functions to neutralize acidic chyme as it enters the small intestine is called:

Accepted Answer

A) bile. 
B) a bolus. 
C) an emulsifier. 
D) intestinal flora. 
E) bicarbonate. 
A) bile. 
B) a bolus. 
C) an emulsifier. 
D) intestinal flora. 
E) bicarbonate.

Question 20

The ____ prevents food from entering the lungs.

Accepted Answer

A) lower esophageal sphincter 
B) pharynx 
C) ileocecal valve 
D) epiglottis 
E) esophagus 
A) lower esophageal sphincter 
B) pharynx 
C) ileocecal valve 
D) epiglottis 
E) esophagus

Exam 2: Carbohydrates

Involuntary muscle contractions move food through the intestinal tract. The movement that forces the contents back a few inches before pushing it forward again is called:

Digestion is completed in the large intestine.

Villi are found in the:

Leftovers should be eaten within ____ days.

The digestion of proteins begins in the ____ and ends in the ____.

The digestive tract begins at the ____ and ends at the ____.

Pepsin cannot function in the strong acidic environment of the stomach.

After digestion, lipids are packaged for transport as lipoproteins known as:

"Peristalsis" is a term that refers to the:

Elevated HDL concentrations are associated with a low risk of heart disease because they:

A benefit of fiber is that it:

Is eating raw seafood, like fish and oysters, ever safe?

The stomach empties into the:

Which item(s)can cause a foodborne infection?

In the GI tract, bacteria produce:

Which substance is not found in gastric juice?

A component of pancreatic juice that functions to neutralize acidic chyme as it enters the small intestine is called:

The ____ prevents food from entering the lungs.

Overview of Nutrition and Health

Lipids

Protein

Digestion and Absorption

Metabolism, Energy Balance, and Body Composition

Weight Management

The Vitamins

Water and the Minerals

Fitness and Nutrition

Nutrition Through the Life Span: Pregnancy and Lactation

Nutrition Through the Life Span: Infancy, Childhood, and Adolescence

Nutrition Through the Life Span: Later Adulthood

Illness and Nutrition Care

Medications, Diet-Drug Interactions, and Herbal Supplements

Specialized Nutrition Support: Enteral and Parenteral Nutrition

Foods and Food Consistency for Upper Gi Disorders

Fiber-Modified Diets for Lower Gastrointestinal Tract Disorders

Carbohydrate- and Fat-Modified Diets for Malabsorption Disorders

Nutrition Therapy for Liver and Gallbladder Diseases

Carbohydrate-Controlled Diets for Diabetes Mellitus

Fat-Controlled, Mineral-Modified Diets for Cardiovascular Diseases

Protein-, Mineral-, and Fluid-Modified Diets for Kidney Diseases

Energy- and Protein-Modified Diets for Metabolic and Respiratory Stress

Energy- and Protein-Modified Diets for Cancer and Hiv Infection

Filters

The digestion of proteins begins in the and ends in the .

The digestive tract begins at the and ends at the .